Home / 12,140,778.33-16,754,071.73-6,634,032.21

Finding the Fourth Proportional to 12,140,778.33, 16,754,071.73 and 6,634,032.21

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Solution

The fourth proportional to 12,140,778.33, 16,754,071.73 and 6,634,032.21 is: 9,154,853.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140,778.33 : 16,754,071.73 = 6,634,032.21 : x
  2. Step 2: Convert to fraction form
    12,140,778.33/16,754,071.73 = 6,634,032.21/x
  3. Step 3: Cross multiply
    12,140,778.33x = 16,754,071.73 × 6,634,032.21
  4. Step 4: Simplify right side
    12,140,778.33x = 111,147,051,472,300.27
  5. Step 5: Solve for x
    x = 111,147,051,472,300.27/12,140,778.33
  6. Step 6: Final answer
    x = 9,154,853.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.